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The following is a daily text product issued by the OHRFC: ZCZC CRWHMDTIR CESTTAA00 KTIR DDHHMM Ohio River Basin Hydrometeorological Discussion Ohio River Forecast Center, Wilmington, Ohio 118 PM EDT Tuesday, July 8, 2008 ...HYDROMETEOROLOGICAL DISCUSSION... Scattered convection will fire up today in a warm airmass ahead of an approaching cold front. The convection will initially be focused in two areas, across the northwest basin and over the southeast. The activity over the northwest will slide south and east later today and tonight as a cold front drops down from the upper Midwest. The front will slowly slide down to the Ohio River on Wednesday, shifting the focus for showers and thunderstorms down to the central and southern parts of the basin. In the meantime, the showers and thunderstorms forecast for the Ohio Valley will produce widespread rainfall during the next 24 hours, with many places likely seeing between a half inch to an inch of new rainfall, especially north of the Ohio River. High pressure will build in by Thursday bringing dry weather for all but Tennessee and southern KY, where the front will be prevalent enough to produce some lingering showers. ...FLOOD POTENTIAL DISCUSSION... Minor flooding continues along the Tiffin River in northwest Ohio. Additional minor flooding is forecast this week for parts of the Wabash due to the anticipated heavy showers. Elsewhere, flooding is not expected at this time, but it can not be completely ruled out due to widespread showers and thunderstorms in the forecast the next few days. ...24-HR OBSERVED PRECIPITATION USED FOR TODAY'S RIVER FORECASTS... Rain fell across the western, southern, and eastern periphery of the Ohio Valley, while much of the mid-section and northern basin was dry. Heaviest amounts were reported in southern Indiana and east-central Illinois, where basin averages ranged from 0.50" to 1.25". Elsewhere, average amounts were under a half inch for the most part. ...24-HR FORECAST PRECIPITATION USED FOR TODAY'S RIVER FORECASTS... A broad area north of the Ohio River will see between 0.50" to 1.00" with a few sub-basins expecting over an inch. Lesser amounts will fall south of the Ohio, with generally under a half inch forecast. ...RIVER BASINS IN FLOOD... Points along the following river basins were in flood Tuesday morning: River Basin Forecast Point Flood Stage Latest Stg Tendency * Wabash River Red Skelton Bri 17 18.4 Falling Maumee River Stryker 11 13.0 Falling Detailed precipitation graphics and other maps are available on the HAS Support Page at this web address: http://weather.gov/ohrfc/HAS * Tendency based on observed value and a 1-day forecast. $$ Jeff Myers NNNN
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